Mednax, Inc., formerly Pediatrix Medical Group, Inc. (Pediatrix), is a provider of physician services, including newborn, maternal-fetal, pediatric subspecialty, and anesthesia care. During the year ended December 31, 2008, the Company's network was composed of approximately 1,274 affiliated physicians, including 844 neonatal physician specialists who provide clinical care in 32 states and Puerto Rico, primarily within hospital-based neonatal intensive care units (NICUs), to babies born prematurely or with medical complications. The Company has 143 affiliated physicians who provide maternal-fetal medical care to expectant mothers experiencing complicated pregnancies in many areas where its affiliated neonatal physicians practice. Its network includes other pediatric subspecialists, including 89 physicians providing pediatric cardiology care, 37 physicians providing pediatric intensive care and 20 physicians providing hospital-based pediatric care.